LBFS 데이터 시트보기 (PDF) - Linear Technology
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LBFS Datasheet PDF : 16 Pages
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LTC2601/LTC2611/LTC2621
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded,
unless otherwise noted.
LTC2621/ LTC2621-1 LTC2611/ LTC2611-1 LTC2601/ LTC2601-1
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
DC Performance
Resolution
l 12
14
16
Bits
Monotonicity
(Note 2)
l 12
14
16
Bits
DNL Differential Nonlinearity (Note 2)
l
±0.5
±1
±1
LSB
INL
Integral Nonlinearity (Note 2)
l
±0.8 ±4
±3 ±16
±13 ±64
LSB
Load Regulation
ZSE Zero-Scale Error
VREF = VCC = 5V, Midscale
IOUT = 0mA to 15mA Sourcing l
IOUT = 0mA to 15mA Sinking l
VREF = VCC = 2.5V, Midscale
IOUT = 0mA to 7.5mA Sourcing l
IOUT = 0mA to 7.5mA Sinking l
Code = 0
l
0.03 0.125
0.04 0.125
0.06 0.25
0.08 0.25
19
0.10 0.5
0.15 0.5
0.2 1
0.3 1
19
0.45 2 LSB/mA
0.60 2 LSB/mA
0.9 4 LSB/mA
1.2 4 LSB/mA
19
mV
VOS
Offset Error
VOS Temperature
Coefficient
(Note 5)
l
±1.5 ±9
±5
±1.5 ±9
±5
±1.5 ±9
±5
mV
μV/°C
GE
Gain Error
l
±0.03 ±0.7
±0.1 ±0.7
±0.05 ±0.7 %FSR
Gain Temperature
Coefficient
±2
±2
±2
ppm/°C
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded, unless otherwise noted. (Note 8)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PSR Power Supply Rejection
ROUT DC Output Impedance
ISC
Short-Circuit Output Current
VCC = 5V ±10%
VCC = 3V ±10%
–80
dB
l
–80
dB
VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA l
VREF = VCC = 2.5V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA l
0.04
0.15
Ω
0.05
0.15
Ω
VCC = 5.5V, VREF = 5.5V
Code: Zero Scale; Forcing Output to VCC
Code: Full Scale; Forcing Output to GND
l 15
35
60
mA
l 15
39
60
mA
VCC = 2.5V, VREF = 2.5V
Code: Zero Scale; Forcing Output to VCC
Code: Full Scale; Forcing Output to GND
l 7.5
20
50
mA
l 7.5
27
50
mA
Reference Input
Input Voltage Range
l
0
VCC
V
Resistance
Normal Mode
l 88
124
160
kΩ
Capacitance
15
pF
IREF
Reference Current, Power Down Mode DAC Powered Down
Power Supply
l
0.001
1
μA
VCC
Positive Supply Voltage
ICC
Supply Current
Digital I/O
For Specified Performance
VCC = 5V (Note 3)
VCC = 3V (Note 3)
DAC Powered Down (Note 3) VCC = 5V
DAC Powered Down (Note 3) VCC = 3V
l 2.5
5.5
V
l
0.375 0.55
mA
l
0.30
0.45
mA
l
0.40
1
μA
l
0.10
1
μA
VIH
Digital Input High Voltage
VCC = 2.5V to 5.5V
VCC = 2.5V to 3.6V
l 2.4
V
l 2.0
V
2601fb
3
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